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Contract OI history

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Jan 21, 2028 EXPIRATION

COF $250.00 Call

COF280121C00250000

Latest saved OI360Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $250.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3601800 2026-10-02: 323 OI2026-10-05: 325 OI2026-10-06: 328 OI2026-10-07: 329 OI2026-10-08: 329 OI2026-10-09: 329 OI2026-10-13: 330 OI2026-10-14: 330 OI2026-10-15: 330 OI2026-10-16: 330 OI2026-10-21: 360 OI2026-10-23: 360 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

COF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3600
Oct 21, 2026360+30
Oct 16, 20263300
Oct 15, 20263300
Oct 14, 20263300
Oct 13, 2026330+1
Oct 09, 20263290
Oct 08, 20263290
Oct 07, 2026329+1
Oct 06, 2026328+3
Oct 05, 2026325+2
Oct 02, 2026323No prior observation